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Subject: Re: Why are AMD processors "better" for computer chess?

Author: David Mitchell

Date: 14:37:19 03/11/04

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On March 11, 2004 at 17:09:49, Jasmine Baer wrote:

>If someone could help me understand this, I'd appreciate it.  I'm smart enough
>to understand some technical jargon, so feel free to expound...
>
>Real-world advice = advice from folks who actually use the equipment in question
>on a daily basis, not advice or feedback from some magazine or something.

It's simply a matter of CPU efficiency. After the PIII, Intel went with a less
efficient, but capable of higher clock speeds, design for the P4. AMD Athlons
simply get more work done per clock cycle.

You can read the tech specs till the cows come home, but try it yourself on
several Athlon and P4 systems, and you'll know for sure, yourself. Precisely how
much better the Athlon will be for your specific program, will vary with the
program, and the system you test it on.

Other factors being equal (and when is that ever gonna happen?), systems with
faster FSB, lower memory latency, greater bandwidth, etc., will all be
contributing factors to a better chess computer system.

I should also mention though, that the Intel Centrino has been reported here by
several CCC members as kicking butt, and should not be lumped in with the P4's
poorer performance per clock cycle.

dave



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